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404404122 = 23222130347
BaseRepresentation
bin11000000110101…
…011011110011010
31001011221212011110
4120012223132122
51312011412442
6104043441150
713010243523
oct3006533632
91034855143
10404404122
11198303891
12b35261b6
1365a240a5
143b9cd84a
152578369c
hex181ab79a

404404122 has 16 divisors (see below), whose sum is σ = 809199072. Its totient is φ = 134736240.

The previous prime is 404404093. The next prime is 404404127. The reversal of 404404122 is 221404404.

404404122 is nontrivially palindromic in base 11.

It is not an unprimeable number, because it can be changed into a prime (404404127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848 + ... + 28499.

It is an arithmetic number, because the mean of its divisors is an integer number (50574942).

Almost surely, 2404404122 is an apocalyptic number.

404404122 is an abundant number, since it is smaller than the sum of its proper divisors (404794950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404404122 is a wasteful number, since it uses less digits than its factorization.

404404122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32573.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404404122 is about 20109.8016399964. The cubic root of 404404122 is about 739.5005895011.

Adding to 404404122 its reverse (221404404), we get a palindrome (625808526).

The spelling of 404404122 in words is "four hundred four million, four hundred four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 2221 4442 6663 13326 30347 60694 91041 182082 67400687 134801374 202202061 404404122